Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。To reduce heat losses the pipes are covered by thermal insulators.为了减少热散失,管子外包保温层.Crystals may be insulators, semiconducto...
Crystals may be insulators, semiconductors, or conductors.晶体可以是绝缘体, 半导体, 或导体.Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。Polluted insulators may flashover at any time...
Kirgizia is bounded by Uzbekistan, Kazakhstan and Tajikistan.吉尔吉斯与乌兹别克斯坦、哈萨克斯坦和塔吉克斯坦接壤。Some 45,000 Uzbeks have registered as refugees in neighbouring Uzbek - majority Uzbekistan.在邻国乌兹别克斯坦(乌兹别克人占多数的斯坦)大约45000名乌兹别克人已登记为难民....
Keane is entering the long twilight of his career.基恩正进入事业的下滑期.Hopefully today you have seen Robbie Keane back to his best.很高兴,今天你们看到罗比?基恩回到他的最佳状态了!Jonny Evans, the defender, chooses ex - captain Roy Keane.后卫乔尼.埃文斯选择了前队长罗...
Grandmother felt free to order her about just as she wished.奶奶毫不客气地随意支使她。It hurt so badly he wished to cease to be.他觉得疼痛难忍，恨不得死了算了。I really could not have wished for a better teacher.这个老师对我来说是再好不过的了。...
有很多友人为他送行.There were troops of friends to see him off.友人之死使他非常伤心。The death of his friend rived his heart with grief.虽然和 友人 在一起是愉快的, 但他私下却常常很悲伤.Although ( he was ) cheerful in company, he was often sad in private....